condition mean min max 4 h after light 9.186136666666666 6.79054 10.9813 8 h after light 7.165 1.52305 12.4948 12 h after light 8.324066666666667 4.13331 13.1313 4 h after dark 12.27822 8.42606 14.5621 8 h after dark 8.072863333333334 7.29454 8.66905 12 h after dark 6.848260000000001 6.00506 8.25721